Please help confused

Mathematics

1 answer:

kondaur [170]3 years ago

8 0

Answer:

Step-by-step explanation:

Since the angles add up to 180, they are supplementary.

That means that they are equal and parallel.

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A scale drawing has a scale of 1/4in. :12ft. Find the length on the drawing for each actual length. 8ft

UNO [17]

The other part of your ratio is missing

8 0

3 years ago

Eight balls numbered from 1 to 8 are placed in an urn. One ball is selected at random. Find the probability that it is

elena-14-01-66 [18.8K]

Answer:

$\frac{7}{8}$

Step-by-step explanation:

6 0

4 years ago

Help is needed!!! please

Ede4ka [16]

Answer:

Step-by-step explanation:

There are 2 ways to look at this. I will explain both.

First we have the 3-4-5 triangle method, stating that any triangle with sides 3 and 4 will have the last side as 5.

Now, for the more complex way of doing this, we can use the Pythagorean theorem to solve this problem.

Pythagorean theorem: $a^2+b^2=c^2$

We can use 4 for a and 3 for b

You will now have

$4^2+3^2=c^2\\\\16+9=c^2\\25=c^2$

Then take √25, or 5.

3 0

3 years ago

Which shows the mean, median, mode, and range for this set of data?

Brums [2.3K]

8.3,4.5,6.2,9.6,4.3,11.2,5.9,9.7,10.5

Mean:
To find mean you do the same as you would to find an average. Add up all of the numbers and divide by how many numbers are there. So,
8.3 + 4.5 + 6.2 + 9.6 + 4.3 + 11.2 + 5.9 + 9.7 + 10.5 = 70.2
Then divide by 9 since you have 9 numbers.
70.2 / 9 = 7.8

Median:
To find median you set up the data from least to greatest and cross out one number from each side until you are left with one number as the middle number.
4.3, 4.5, 5.9, 6.2, 8.3, 9.6, 9.7, 10.5, 11.2
4.5, 5.9, 6.2, 8.3, 9.6, 9.7, 10.5
5.9, 6.2, 8.3, 9.6, 9.7
6.2, 8.3, 9.6
= 8.3
Mode:
Mode is the most, meaning the number that appears the most in your set of data. In this case there is no mode because in your set there is no number that occurs more than once.

Hope this helps!

6 0

3 years ago

If I have a line that starts at the origin (0,0), and goes 13 meters at an angle of π/6 in the standard position (ie. 30° north

Klio2033 [76]

Line goes 11.2583303 meters in the x direction (east) and 7.5 meters in the y direction (north) .

<u>Step-by-step explanation:</u>

Here we have , If I have a line that starts at the origin (0,0), and goes 13 meters at an angle of π/6 in the standard position (i.e. 30° north of east) . We need yo find how far does it go in the y direction (north), and how far does it go in the x direction (east). Let's find out:

According to question we have a right angle triangle as :

$Hypotenuse =13m\\x=\frac{\pi}{6} =30$